This imaging test can tell you the speed and direction of blood flow? ultrasound
ct
mri
none of the above

Are produced in the light reactions and used in the calvin cycle. a)nadh and atp b)electrons and sugar c)nadt+ and adp d)sugar molecules

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen